100=.5*x-30

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Solution for 100=.5*x-30 equation:


Simplifying
100 = 0.5x + -30

Reorder the terms:
100 = -30 + 0.5x

Solving
100 = -30 + 0.5x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-0.5x' to each side of the equation.
100 + -0.5x = -30 + 0.5x + -0.5x

Combine like terms: 0.5x + -0.5x = 0.0
100 + -0.5x = -30 + 0.0
100 + -0.5x = -30

Add '-100' to each side of the equation.
100 + -100 + -0.5x = -30 + -100

Combine like terms: 100 + -100 = 0
0 + -0.5x = -30 + -100
-0.5x = -30 + -100

Combine like terms: -30 + -100 = -130
-0.5x = -130

Divide each side by '-0.5'.
x = 260

Simplifying
x = 260

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